[PATCH v2] contrib: add download_prerequisites script from GCC
Jerry Zhang Jian
jerry.zhangjian@sifive.com
Thu Jul 17 08:32:02 GMT 2025
Add new download_prerequisites from GCC source tree to simplify the
build dependencies setup for building GDB.
contrib/ChangeLog:
contrib/download_prerequisites: New script
contrib/prerequisites.md5: New file
contrib/prerequisites.sha512: New file
Signed-off-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
---
contrib/download_prerequisites | 284 +++++++++++++++++++++++++++++++++
contrib/prerequisites.md5 | 5 +
contrib/prerequisites.sha512 | 5 +
3 files changed, 294 insertions(+)
create mode 100755 contrib/download_prerequisites
create mode 100644 contrib/prerequisites.md5
create mode 100644 contrib/prerequisites.sha512
diff --git a/contrib/download_prerequisites b/contrib/download_prerequisites
new file mode 100755
index 00000000000..6d9a3e9c3ce
--- /dev/null
+++ b/contrib/download_prerequisites
@@ -0,0 +1,284 @@
+#! /bin/sh
+#! -*- coding:utf-8; mode:shell-script; -*-
+
+# Download some prerequisites needed by GCC.
+# Run this from the top level of the GCC source tree and the GCC build will do
+# the right thing. Run it with the `--help` option for more information.
+#
+# (C) 2010-2021 Free Software Foundation
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see http://www.gnu.org/licenses/.
+
+program='download_prerequisites'
+version='(unversioned)'
+
+# MAINTAINERS: If you update the package versions below, please
+# remember to also update the files `contrib/prerequisites.sha512` and
+# `contrib/prerequisites.md5` with the new checksums.
+
+gmp='gmp-6.2.1.tar.bz2'
+mpfr='mpfr-4.1.0.tar.bz2'
+mpc='mpc-1.2.1.tar.gz'
+isl='isl-0.24.tar.bz2'
+gettext='gettext-0.22.tar.gz'
+
+base_url='http://gcc.gnu.org/pub/gcc/infrastructure/'
+
+echo_archives() {
+ echo "${gettext}"
+ if "${only_gettext}"; then return; fi
+ echo "${gmp}"
+ echo "${mpfr}"
+ echo "${mpc}"
+ if [ ${graphite} -gt 0 ]; then echo "${isl}"; fi
+}
+
+graphite=1
+verify=1
+force=0
+only_gettext=false
+OS=$(uname)
+
+if type wget > /dev/null ; then
+ fetch='wget'
+else
+ fetch='curl -LO'
+fi
+chksum_extension='sha512'
+directory='.'
+
+helptext="usage: ${program} [OPTION...]
+
+Downloads some prerequisites needed by GCC. Run this from the top level of the
+GCC source tree and the GCC build will do the right thing.
+
+The following options are available:
+
+ --directory=DIR download and unpack packages into DIR instead of '.'
+ --force download again overwriting existing packages
+ --no-force do not download existing packages again (default)
+ --isl download ISL, needed for Graphite loop optimizations (default)
+ --graphite same as --isl
+ --no-isl don't download ISL
+ --no-graphite same as --no-isl
+ --verify verify package integrity after download (default)
+ --no-verify don't verify package integrity
+ --sha512 use SHA512 checksum to verify package integrity (default)
+ --md5 use MD5 checksum to verify package integrity
+ --only-gettext inhibit downloading any package but gettext
+ --help show this text and exit
+ --version show version information and exit
+"
+
+versiontext="${program} ${version}
+Copyright (C) 2016-2024 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+die() {
+ echo "error: $@" >&2
+ exit 1
+}
+
+for arg in "$@"
+do
+ case "${arg}" in
+ --help)
+ echo "${helptext}"
+ exit
+ ;;
+ --version)
+ echo "${versiontext}"
+ exit
+ ;;
+ esac
+done
+unset arg
+
+# Emulate Linux's 'md5sum --check' on macOS
+md5_check() {
+ # Store the standard input: a line from contrib/prerequisites.md5:
+ md5_checksum_line=$(cat -)
+ # Grab the text before the first space
+ md5_checksum_expected="${md5_checksum_line%% *}"
+ # Grab the text after the first space
+ file_to_check="${md5_checksum_line##* }"
+ # Calculate the md5 checksum for the downloaded file
+ md5_checksum_output=$(md5 -r "${file_to_check}")
+ # Grab the text before the first space
+ md5_checksum_detected="${md5_checksum_output%% *}"
+ [ "${md5_checksum_expected}" = "${md5_checksum_detected}" ] \
+ || die "Cannot verify integrity of possibly corrupted file ${file_to_check}"
+ echo "${file_to_check}: OK"
+}
+
+
+argnext=
+for arg in "$@"
+do
+ if [ "x${argnext}" = x ]
+ then
+ case "${arg}" in
+ --directory)
+ argnext='directory'
+ ;;
+ --directory=*)
+ directory="${arg#--directory=}"
+ ;;
+ --force)
+ force=1
+ ;;
+ --no-force)
+ force=0
+ ;;
+ --isl|--graphite)
+ graphite=1
+ ;;
+ --no-isl|--no-graphite)
+ graphite=0
+ ;;
+ --verify)
+ verify=1
+ ;;
+ --no-verify)
+ verify=0
+ ;;
+ --sha512)
+ chksum_extension='sha512'
+ verify=1
+ ;;
+ --md5)
+ chksum_extension='md5'
+ verify=1
+ ;;
+ --only-gettext)
+ only_gettext=true
+ ;;
+ -*)
+ die "unknown option: ${arg}"
+ ;;
+ *)
+ die "too many arguments"
+ ;;
+ esac
+ else
+ case "${arg}" in
+ -*)
+ die "Missing argument for option --${argnext}"
+ ;;
+ esac
+ case "${argnext}" in
+ directory)
+ directory="${arg}"
+ ;;
+ *)
+ die "The impossible has happened"
+ ;;
+ esac
+ argnext=
+ fi
+done
+[ "x${argnext}" = x ] || die "Missing argument for option --${argnext}"
+unset arg argnext
+
+case $chksum_extension in
+ sha512)
+ case $OS in
+ "Darwin"|"FreeBSD"|"DragonFly"|"AIX")
+ chksum='shasum -a 512 --check'
+ ;;
+ "OpenBSD")
+ chksum='sha512 -c'
+ ;;
+ *)
+ chksum='sha512sum -c'
+ ;;
+ esac
+ ;;
+ md5)
+ case $OS in
+ "Darwin")
+ chksum='md5_check'
+ ;;
+ *)
+ chksum='md5sum -c'
+ ;;
+ esac
+ ;;
+ *)
+ die "Unkown checksum $chksum_extension"
+ ;;
+esac
+
+[ -d "${directory}" ] \
+ || die "No such directory: ${directory}"
+
+for ar in $(echo_archives)
+do
+ if [ ${force} -gt 0 ]; then rm -f "${directory}/${ar}"; fi
+ [ -e "${directory}/${ar}" ] \
+ || ( cd "${directory}" && ${fetch} --no-verbose "${base_url}${ar}" ) \
+ || die "Cannot download ${ar} from ${base_url}"
+done
+unset ar
+
+if [ ${verify} -gt 0 ]
+then
+ chksumfile="contrib/prerequisites.${chksum_extension}"
+ [ -r "${chksumfile}" ] || die "No checksums available"
+ for ar in $(echo_archives)
+ do
+ grep "${ar}" "${chksumfile}" \
+ | ( cd "${directory}" && ${chksum} ) \
+ || die "Cannot verify integrity of possibly corrupted file ${ar}"
+ done
+ unset chksumfile
+fi
+unset ar
+
+for ar in $(echo_archives)
+do
+ package="${ar%.tar*}"
+ if [ ${force} -gt 0 ]; then rm -rf "${directory}/${package}"; fi
+ case $ar in
+ *.gz)
+ uncompress='gzip -d'
+ ;;
+ *.bz2)
+ uncompress='bzip2 -d'
+ ;;
+ *)
+ uncompress='cat'
+ ;;
+ esac
+ [ -e "${directory}/${package}" ] \
+ || ( cd "${directory}" && $uncompress <"${ar}" | tar -xf - ) \
+ || die "Cannot extract package from ${ar}"
+ unset package
+done
+unset ar
+
+for ar in $(echo_archives)
+do
+ target="${directory}/${ar%.tar*}/"
+ linkname="${ar%-*}"
+ if [ ${force} -gt 0 ]; then rm -f "${linkname}"; fi
+ [ -e "${linkname}" ] \
+ || ln -s "${target}" "${linkname}" \
+ || die "Cannot create symbolic link ${linkname} --> ${target}"
+ unset target linkname
+done
+unset ar
+
+echo "All prerequisites downloaded successfully."
diff --git a/contrib/prerequisites.md5 b/contrib/prerequisites.md5
new file mode 100644
index 00000000000..716a9ff910c
--- /dev/null
+++ b/contrib/prerequisites.md5
@@ -0,0 +1,5 @@
+28971fc21cf028042d4897f02fd355ea gmp-6.2.1.tar.bz2
+44b892bc5a45bafb4294d134e13aad1d mpfr-4.1.0.tar.bz2
+9f16c976c25bb0f76b50be749cd7a3a8 mpc-1.2.1.tar.gz
+dd2f7b78e118c25bd96134a52aae7f4d isl-0.24.tar.bz2
+c092102240f8f66134d22718421d5115 gettext-0.22.tar.gz
diff --git a/contrib/prerequisites.sha512 b/contrib/prerequisites.sha512
new file mode 100644
index 00000000000..f71398bdbc3
--- /dev/null
+++ b/contrib/prerequisites.sha512
@@ -0,0 +1,5 @@
+8904334a3bcc5c896ececabc75cda9dec642e401fb5397c4992c4fabea5e962c9ce8bd44e8e4233c34e55c8010cc28db0545f5f750cbdbb5f00af538dc763be9 gmp-6.2.1.tar.bz2
+410208ee0d48474c1c10d3d4a59decd2dfa187064183b09358ec4c4666e34d74383128436b404123b831e585d81a9176b24c7ced9d913967c5fce35d4040a0b4 mpfr-4.1.0.tar.bz2
+3279f813ab37f47fdcc800e4ac5f306417d07f539593ca715876e43e04896e1d5bceccfb288ef2908a3f24b760747d0dbd0392a24b9b341bc3e12082e5c836ee mpc-1.2.1.tar.gz
+aab3bddbda96b801d0f56d2869f943157aad52a6f6e6a61745edd740234c635c38231af20bc3f1a08d416a5e973a90e18249078ed8e4ae2f1d5de57658738e95 isl-0.24.tar.bz2
+e2a58dde1cae3e6b79c03e7ef3d888f7577c1f4cba283b3b0f31123ceea8c33d7c9700e83de57104644de23e5f5c374868caa0e091f9c45edbbe87b98ee51c04 gettext-0.22.tar.gz
--
2.37.1
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